Asked by Anonymous
                which of the following elementary row operations could be used to cancel the z term from equation 2 in the following system of equations
X+y+z=1 (eq1)
X+y-2z=-2 (eq2)
3x-2y+z=6 (eq3)
            
        X+y+z=1 (eq1)
X+y-2z=-2 (eq2)
3x-2y+z=6 (eq3)
Answers
                    Answered by
            Reiny
            
    how about : double the first, then add it to the second
    
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